[ntuple] fix compiler warning in streamer test

root-project · Nov 27, 2024 · 9935cd5 · 9935cd5
1 parent f188ba4
commit 9935cd5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tree/ntuple/v7/test/rfield_streamer.cxx b/tree/ntuple/v7/test/rfield_streamer.cxx
@@ -214,7 +214,7 @@ TEST(RField, StreamerMerge)
    auto streamerInfoMap = RNTupleSerializer::DeserializeStreamerInfos(typeInfo.GetContent()).Unwrap();
    EXPECT_EQ(4u, streamerInfoMap.size());
    std::array<bool, 4> seenStreamerInfos{false, false, false, false};
-   for (const auto [_, streamerInfo] : streamerInfoMap) {
+   for (const auto &[_, streamerInfo] : streamerInfoMap) {
       if (strcmp(streamerInfo->GetName(), "PolyContainer") == 0)
          seenStreamerInfos[0] = true;
       else if (strcmp(streamerInfo->GetName(), "PolyBase") == 0)